---
title: "Video download assistant – Chrome extension stats, history and permissions"
description: "20,000 users, rated 4.00 by 35 people. Version 1.2.9, updated 2026-04-25. Requests 8 permissions."
url: "https://extensiontracker.com/extension/gnnfgamcecifdmmdpbppjhanfllffmdn"
---

# Video download assistant

Live in the Chrome Web Store.

- Users: 20,000
- Rating: 4.00 from 35 ratings
- Last checked: 2026-09-27 02:00 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #3,974 of 264,704 live extensions
- Rank in Tools: #868 of 103,503

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Download video and audio from mainstream websites

- Extension ID: `gnnfgamcecifdmmdpbppjhanfllffmdn`
- Developer: [tomxuxu](https://extensiontracker.com/developer/ue726485187ba060600309143275bc71a)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2019-12-24
- Last updated: 2026-04-25
- Version: `1.2.9`
- Size: 589 KiB
- Minimum Chrome: 88
- Languages (39): Deutsch, English, Filipino, Indonesia, Melayu, Nederlands, Tiếng Việt, Türkçe, dansk, español, français, hrvatski, italiano, latviešu, lietuvių, magyar, norsk, polski, português (Brasil), português (Portugal), română, slovenčina, suomi, svenska, čeština, Ελληνικά, български, русский, српски, українська, עברית, العربية, فارسی, हिन्दी, বাংলা, ไทย, 中文（中国）, 日本語, 한국어
- Website: `pictureknow.com`
- Chrome Web Store: <https://chromewebstore.google.com/detail/video-download-assistant/gnnfgamcecifdmmdpbppjhanfllffmdn>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fgnnfgamcecifdmmdpbppjhanfllffmdn>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 20,000 | 4.00 | 35 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

**Every website:** it can read and change your data on all the sites you visit.

### Sites

- `<all_urls>`: Every website

### Sites where it runs scripts

- `*://bilibili.com/bangumi/*`: bilibili.com
- `*://bilibili.com/video/*`: bilibili.com
- `*://detail.tmall.com/*`: detail.tmall.com
- `*://item.jd.com/*`: item.jd.com
- `*://item.taobao.com/*`: item.taobao.com
- `*://www.bilibili.com/bangumi/*`: www.bilibili.com
- `*://www.bilibili.com/video/*`: www.bilibili.com
- `*://www.ixigua.com/*`: www.ixigua.com
- `http://*/*`: Every website
- `https://*/*`: Every website

### Browser features

- `alarms`: Run tasks on a schedule
- `declarativeNetRequest`: Block or change network requests, using rules
- `downloads`: Manage your downloads
- `management`: Manage your other extensions and apps
- `proxy`: Send your traffic through a proxy
- `storage`: Save settings and data in your browser
- `webRequest`: Watch network requests on the sites it can reach

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Bilibili Download Helper](https://extensiontracker.com/extension/djinnjdnedmcilpnboifdhfgbbhgieee) | 90,000 | 3.54 | 127 | Tools |
| [Simple Allow Copy](https://extensiontracker.com/extension/jhodmcfehicjonjdoljadkbkenaoehfm) | 30,000 | 3.32 | 19 | Tools |
| [ColorPick Eyedropper](https://extensiontracker.com/extension/gkgaemflnhefahffachgkbpklfgggamn) | 20,000 | 2.84 | 32 | Tools |
| [收藏猫](https://extensiontracker.com/extension/gccbhdjbhnbcliaedclfclgedgndhdlh) | 10,000 | 4.33 | 30 | Tools |
| [OCR Text Recognition](https://extensiontracker.com/extension/oldinjmajkejmhnnllhcaopbbfdlepgd) | 7,000 | 2.93 | 14 | Tools |
| [JSONView](https://extensiontracker.com/extension/cgphfnglahpambfhocchajalljaeegef) | 2,000 | 4.60 | 5 | Workflow & Planning |
| [Fat cat picture batch download](https://extensiontracker.com/extension/gbdahlfendakolekfledonnpgaphimie) | 2,000 | 3.17 | 6 | Workflow & Planning |
| [Fat cat screenshot](https://extensiontracker.com/extension/cdddgmgngjghgafknpngbifganipdinf) | 1,000 | 3.67 | 3 | Workflow & Planning |
| [视频速度控制器 video speed controller](https://extensiontracker.com/extension/pgipilfgmjmngmeakhoflmankljnnejg) | 1,000 | 5.00 | 1 | Workflow & Planning |
| [Twitter download helper](https://extensiontracker.com/extension/phladpdhlojceokkelgidemenlenmgof) | 923 | 3.00 | 2 | Workflow & Planning |

All 12 extensions by [tomxuxu](https://extensiontracker.com/developer/ue726485187ba060600309143275bc71a).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-27 02:00 UTC; next check around 2026-10-02.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Video download assistant” (gnnfgamcecifdmmdpbppjhanfllffmdn). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/gnnfgamcecifdmmdpbppjhanfllffmdn. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_gnnfgamcecifdmmdpbppjhanfllffmdn,
  title   = {Video download assistant (gnnfgamcecifdmmdpbppjhanfllffmdn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/gnnfgamcecifdmmdpbppjhanfllffmdn},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/gnnfgamcecifdmmdpbppjhanfllffmdn>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.
